Shield design



FIG. 1 is a top view of a shield design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is an upper side view thereof;

FIG. 5 is an isometric view of the shield; and,

FIG. 6 is an isometric view of the shield disposed on a typical printed circuit board; a typical printed circuit board and integrated circuit are shown in broken lines for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a shield design, as shown and described. 